Oesophageal web

Oesophageal webs refer to an oesophageal constriction caused by a thin mucosal membrane projecting into the lumen.

Oesophageal webs tend to affect middle-aged females.

Patients are usually asymptomatic and the finding may be incidental and unimportant. However, if the stenosis is severe symptoms include dysphagia and regurgitation of food.

Location

More commonly occur in the cervical oesophagus near cricopharyngeus muscle than in the thoracic oesophagus. They typically arise from the anterior wall and never from the posterior wall; they can also be circumferential 4. Occasionally, multiple webs are visualised during maximal distension. 

Associations
Fluoroscopy: barium swallow
  • may be demonstrated on high-volume barium oesophagrams when the oesophagus is fully distended 4
  • a "jet effect" of contrast passing distal to the web may be seen 6

An oesophageal web may indicate an oesophageus at higher risk of upper oesophageal and hypopharyngeal carcinoma.

Treatment options include:

  • balloon dilatation
  • bougienage during endoscopy
  • submucosal venous plexus: normal structure, noted anteriorly only as slightly irregular mucosa 5
  • Schatzki ring: occurs in the distal oesophagus

Oesophageal pathology
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Article Information

rID: 1750
Section: Pathology
Synonyms or Alternate Spellings:
  • Oesophageal webs
  • Esophageal web
  • Esophageal webs
  • Cricopharyngeal webs

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